Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

Fuel gauge doesn't read full with full tank

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Old Oct 14, 2019 | 07:22 PM
  #1  
Jr Orozco's Avatar
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Fuel gauge doesn't read full with full tank

It only gets to 3/4 of a tank. Tried replacing gauge, and sending unit with no luck. Previous sending unit did the same thing.
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Old Oct 14, 2019 | 08:40 PM
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thtanner's Avatar
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From: Temecula, CA
Car: 1989 Pontiac Formula 350
Engine: L98
Transmission: 700R4
Axle/Gears: BorgWarner 3.27 Posi
Re: Fuel gauge doesn't read full with full tank

My wife's car is dong this, too. Same thing as you. We're going to trace the wiring next.
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Old Oct 14, 2019 | 09:56 PM
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Jr Orozco's Avatar
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Re: Fuel gauge doesn't read full with full tank

If you find the issue please let me know.
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